Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

A beautiful geyser under environmental threat.

An architect's childhood fantasy treehouse made real.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Make it an offering.

Canyon walls shrouded in ferns.

A tourist attraction founded around a slumping cabin.

A botanic garden full of trees twisted into fantastic shapes and positions.

Commonly referred to as the most photographed Victorian home in the United States.

This highest peak in Idaho can only be reached by traversing a formation known as "Chicken-Out Ridge."

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A volcanic fissure over two miles long and up to 70 feet deep.

This strange hill on Old Fort Road where gravity works in reverse has been fascinating locals for years.

An optical illusion found amid a logged redwood forest.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

A trash dump made beautiful by nature's power.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

A replica that won't float away.

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.